Wells – Combined
Patent
1982-06-16
1983-11-15
Purser, Ernest R.
Wells
Combined
166321, 166330, 166332, E21B 3410, E21B 4300
Patent
active
044150270
ABSTRACT:
Accumulator recharging valve wherein a valve is opened to drain the accumulator, and then the accumulator is recharged through another valve, the valves being operated by pipe string pressure after blanking off the flow passage therethrough by a wireline tool, the valve operations being controlled by a barrel cam whereby the drain valve and recharging valve are alternately opened by pressure cycles in the pipe string.
REFERENCES:
patent: 3292706 (1966-12-01), Grimmer et al.
patent: 3830297 (1974-08-01), Cockrell
patent: 3986554 (1976-10-01), Nutter
Bui Thuy M.
Fox, Jr. Carl B.
Purser Ernest R.
LandOfFree
Accumulator recharging valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Accumulator recharging valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Accumulator recharging valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-155153